10-D 1 aha07003_10d-200710.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 10-D ASSET-BACKED ISSUER DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the monthly distribution period from: September 26, 2007 to October 25, 2007 Commission File Number of issuing entity: 333-140476-01 American Home Mortgage Assets Trust 2007-3 (Exact name of issuing entity as specified in its charter) Commission File Number of depositor: 333-140476 American Home Mortgage Assets LLC (Exact name of depositor as specified in its charter) American Home Mortgage Corp. (Exact name of sponsor as specified in its charter) New York (State or other jurisdiction of incorporation or organization of the issuing entity) 54-2199768 54-2199769 54-2199988 54-2199989 54-2199990 54-2199991 54-2199992 54-2199993 54-2199994 54-2199995 54-2199996 54-2199997 54-2199998 54-2199999 54-2200000 (I.R.S. Employer Identification No.) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices of the issuing entity) (Zip Code) (410) 884-2000 (Telephone number, including area code) Not Applicable (Former name, former address, if changed since last report) Registered/reporting pursuant to (check one) Title of Section Section Section Name of Exchange Class 12(b) 12(g) 15(d) (If Section 12(b)) I-1A-1 _____ _____ __X___ ____________ I-1A-2 _____ _____ __X___ ____________ I-2A-1 _____ _____ __X___ ____________ I-2A-2 _____ _____ __X___ ____________ I-M-1 _____ _____ __X___ ____________ I-M-2 _____ _____ __X___ ____________ I-M-3 _____ _____ __X___ ____________ II-1A-1 _____ _____ __X___ ____________ II-1A-2 _____ _____ __X___ ____________ II-2A-1 _____ _____ __X___ ____________ II-2A-2 _____ _____ __X___ ____________ II-M-1 _____ _____ __X___ ____________ II-M-2 _____ _____ __X___ ____________ II-M-3 _____ _____ __X___ ____________ II-M-4 _____ _____ __X___ ____________ II-M-5 _____ _____ __X___ ____________ II-M-6 _____ _____ __X___ ____________ III-A-1 _____ _____ __X___ ____________ III-A-2 _____ _____ __X___ ____________ III-M-1 _____ _____ __X___ ____________ III-M-2 _____ _____ __X___ ____________ III-PO _____ _____ __X___ ____________ I-R _____ _____ __X___ ____________ I-P _____ _____ __X___ ____________ I-C _____ _____ __X___ ____________ II-R _____ _____ __X___ ____________ II-P _____ _____ __X___ ____________ II-C _____ _____ __X___ ____________ III-R _____ _____ __X___ ____________ III-C _____ _____ __X___ ____________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes __X__ No ____ Part I - DISTRIBUTION INFORMATION Item 1. Distribution and Pool Performance Information On October 25, 2007 a distribution was made to holders of American Home Mortgage Assets Trust 2007-3. The distribution report is attached as an Exhibit to this Form 10-D. Please see Item 9(b), Exhibit 99.1 for the related information. Part II - OTHER INFORMATION Item 9. Exhibits. (a) The following is a list of documents filed as part of this Report on Form 10-D: (99.1) Monthly report distributed to holders of American Home Mortgage Assets Trust 2007-3, relating to the October 25, 2007 distribution. (b) The exhibits required to be filed by the Registrant pursuant to this Form are listed above and in the Exhibit Index that immediately follows the signature page hereof. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. American Home Mortgage Assets Trust 2007-3 (Issuing Entity) Wells Fargo Bank, N.A. (Master Servicer) /s/ Elisabeth A. Brewster Elisabeth A. Brewster, Vice President Date: November 7, 2007 EXHIBIT INDEX Exhibit Number Description EX-99.1 Monthly report distributed to holders of American Home Mortgage Assets Trust 2007-3, relating to the October 25, 2007 distribution. EX-99.1 American Home Mortgage Assets LLC Mortgage-Backed Pass-Through Certificate Distribution Date: 10/25/2007 American Home Mortgage Assets LLC Mortgage-Backed Pass-Through Certificate Series 2007-3 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 8480 Stagecoach Circle Frederick, MD 21701-4747 www.ctslink.com Telephone: 1-866-846-4526 Fax: 240-586-8675

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American Home Mortgage Assets Trust 2007-3 10-D